Malicious PDF — malware analysis report

Static analysis result for SHA-256 79d0f50fbcd0c801…

MALICIOUS

PDF

38.8 KB Created: 2020-08-06 03:45:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e68827a790f2f28e448277e23bd5d2e5 SHA-1: 82ebc83db629ffdfbb683b27f0a41fd319fce974 SHA-256: 79d0f50fbcd0c80140f514297a5cddedb5aaab523e0cd84da334294858ad7eb9
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous links to external resources, many of which are part of a link farm designed to improve search engine rankings, likely as a lure for phishing. The primary redirector URL, https://ttraff.com/pify?keyword=cutting+edge+advanced+third+edition+pdf, is flagged as malicious. The document body, though heavily obfuscated, also contains this URL, suggesting it's the intended destination for users seeking the 'cutting edge advanced third edition pdf'.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.com/pify?keyword=cutting+edge+advanced+third+edition+pdf In PDF document text
    • http://bavubo.climacusconference.org/uploads/1/3/1/4/131407995/detemevevavibovuzes.pdfIn PDF document text
    • http://files.updatescentral.com/uploads/1/3/1/3/131384018/fotimiva_nidanu_gibuvidedavade.pdfIn PDF document text
    • http://files.stgregoriosspokane.org/uploads/1/3/0/7/130775998/e23aaa.pdfIn PDF document text
    • http://files.barefoothoofs.com/uploads/1/3/1/6/131637640/6817131.pdfIn PDF document text
    • http://files.trialinnovations.com/uploads/1/3/0/9/130969293/zonorus_fozutemewanudad_wusuwaxejavax.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4622/4551/files/numoniwusijedutulo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5040/1945/files/movilofefu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8624/2201/files/vufodegifotit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7173/3917/files/munesepazifozojowoxo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4432/1945/files/co_curricular_activities_definition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/20931566490.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8117/9037/files/leberefubamokuvirowejiz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8165/4679/files/6937803088.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/15750122344.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/8910/6846/files/79651281622.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005b67.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5B67 5172 bytes
SHA-256: fac34ca2309fdd057f7b2ba777487e7db70d7fbee8ef4263c04f40fab499b2a8
font_01_sfnt_off00006d04.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D04 9720 bytes
SHA-256: 84b7e5e6ba32d533a96e582f518b77b84b3a250b1cb21444c0c893d7647a57cf

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